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Irina-Kira [14]
3 years ago
11

I need the answer to ( 56 --7)--3

Mathematics
1 answer:
Marina CMI [18]3 years ago
4 0

The answer to the problem is 15.

First, you must set up the equation.

(\frac{-56}{-7})--7

Then, you must eliminate double negatives.

(\frac{-56}{-7})+7

Next, divide -56 by -7.

8+7

Finally, add like terms.

15

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Which of those is an example of numerical data ? A. Average speed b. Type of pet C. Favorite car d.home state
garri49 [273]
Average speed the others are categorical.
7 0
3 years ago
An employee in a shoe repair store must schedule his day so that he can complete all of his work. To do that, he must know how l
sdas [7]

It takes him 17 minutes to make each shoe.

<em>How to Solve: </em>

  1. take away the 30 min lunch break from the time becomes 11:45 to 4:00
  2. calculate the distance from 11:45 to 4:00 which is 4 hours and 15 minutes to complete each shoe.
  3. Convert the hours into 60 minutes each so 60*4= 240 now add the extra minutes 240+15= 255 minutes
  4. Now divide that bye 15 shoes 255/15= 17 minutes
  5. So it takes 17 minutes to make each shoe. :)
6 0
3 years ago
-5x+4y=3<br><br> x=2y-15<br><br><br> Solve for y and x
serious [3.7K]

Answer:

<em><u>x=9, y=12</u></em>

Step-by-step explanation:

-5x+4y=3 --------A

x=2y-15----------B

Putting the value of x from B in A

-5(2y-15) +4y=3

-10y+75+4y=3

-6y=3-72

-6y=-72

y=72/6= 12

Putting the value of y =12 in B

x= 2(12)-15

x= 24-15

x=9

3 0
3 years ago
A cylinder has a total volume of 678.59 and a height of 6m. what is the diameter of the cylinder? please help and show work
RoseWind [281]
Volume =
\pi {r}^{2} h
r = \sqrt{678.59 \div 6}
multiply r by 2 and you will get diameter
7 0
3 years ago
Please help!!!!!!!!!
victus00 [196]

Answer:

None of the above

Explanation:

To find the type of lines they create, first find the slope of the equations.(Change form to y intercept)

4x-2y=-5

-2y=-4x-5

y=2x+(5/2)

Slope=2

-2x+3y=-3

3y=2x-3

y=(2/3)x-1

Slope=2/3

So, one has slope=2 and the other has slope=2/3. They’re not parallel because slopes are not the same. They’re not perpendicular because the slopes are not opposites. They’re not equal because their equations are not the same. So, none of the above.

6 0
3 years ago
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